Node undici: (undici's BalancedPool constructor passes its entire options object thr ...) (CVE-2026-84961)
A vulnerability identified as CVE-2026-84961 affects the Node.js HTTP client library 'undici'. The issue involves the BalancedPool constructor passing its entire options object, which may lead to a security impact. The CVSS 3.1 score is 7.4, indicating a medium severity level with high confidentiality and integrity impact but no availability impact. No affected versions or patch information are explicitly provided. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-84961 is a vulnerability in the Node.js 'undici' library where the BalancedPool constructor passes its entire options object, potentially exposing sensitive data or allowing unauthorized modification. The CVSS 3.1 vector indicates network attack vector, high attack complexity, no privileges required, no user interaction, unchanged scope, and high confidentiality and integrity impacts. No specific affected versions or patches are detailed in the provided data.
Potential Impact
The vulnerability could lead to unauthorized disclosure and modification of data due to improper handling of the options object in the BalancedPool constructor. There is no indication of availability impact. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor vendor communications for updates. No specific mitigation steps are detailed in the available data.
Node undici: (undici's BalancedPool constructor passes its entire options object thr ...) (CVE-2026-84961)
Description
A vulnerability identified as CVE-2026-84961 affects the Node.js HTTP client library 'undici'. The issue involves the BalancedPool constructor passing its entire options object, which may lead to a security impact. The CVSS 3.1 score is 7.4, indicating a medium severity level with high confidentiality and integrity impact but no availability impact. No affected versions or patch information are explicitly provided. There are no known exploits in the wild at this time.
CVSS v3.1
Score 7.4high
Affected software
pkg:deb/ubuntu/node-undici?arch=source&distro=noblepkg:deb/ubuntu/node-undici?arch=source&distro=resoluteRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-84961 is a vulnerability in the Node.js 'undici' library where the BalancedPool constructor passes its entire options object, potentially exposing sensitive data or allowing unauthorized modification. The CVSS 3.1 vector indicates network attack vector, high attack complexity, no privileges required, no user interaction, unchanged scope, and high confidentiality and integrity impacts. No specific affected versions or patches are detailed in the provided data.
Potential Impact
The vulnerability could lead to unauthorized disclosure and modification of data due to improper handling of the options object in the BalancedPool constructor. There is no indication of availability impact. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor vendor communications for updates. No specific mitigation steps are detailed in the available data.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-84961
- Osv Schema Version
- 1.7.0
- Aliases
- []
- Ecosystems
- ["Ubuntu:24.04:LTS","Ubuntu:26.04:LTS"]
- Database Specific Severity
- null
- Cvss Version
- 3.1
Threat ID: 6a9ee1b1acd9273b49e69d0d
Added to database: 09/07/2026, 16:09:21 UTC
Last enriched: 09/07/2026, 16:14:46 UTC
Last updated: 09/08/2026, 00:25:47 UTC
Views: 5
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